Weather in Calgary
Live weather and 7-day forecast for Calgary, Canada, followed by what to expect in each month of the year.
Sunrise 08:12 Sunset 18:31 Daylight 10h 19m Sun times →
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Forecast data from Open-Meteo
Climate in Calgary: month by month
Averaged over 2023–2025, the warmest month in Calgary is July, with highs around 25 °C (76 °F) and lows around 12 °C (53 °F); the coolest is February, with highs around -2 °C (28 °F) and lows around -13 °C (9 °F). Average lows fall below freezing in November–April.
Calgary gets about 486 mm (19 in) of precipitation a year. The wettest month is June (107 mm over about 12 days) and the driest is January (18 mm).
| Month | Avg high | Avg low | Precipitation (mm) | Wet days | Daylight |
|---|---|---|---|---|---|
| January | -2° | -11° | 18 | 6 | 8h 25m |
| February | -2° | -13° | 23 | 5 | 10h 3m |
| March | 2° | -9° | 26 | 8 | 11h 50m |
| April | 12° | -1° | 36 | 7 | 13h 50m |
| May | 19° | 5° | 59 | 12 | 15h 33m |
| June | 22° | 8° | 107 | 12 | 16h 31m |
| July | 25° | 12° | 68 | 12 | 16h 6m |
| August | 24° | 11° | 49 | 8 | 14h 35m |
| September | 22° | 8° | 26 | 4 | 12h 40m |
| October | 12° | 1° | 25 | 6 | 10h 45m |
| November | 4° | -6° | 27 | 6 | 8h 56m |
| December | 0° | -9° | 22 | 6 | 7h 56m |
Averages of daily values from the ERA5 reanalysis for 2023–2025 at Calgary's coordinates (model elevation 1051 m), via Open-Meteo (CC BY 4.0). Three recent years are not a 30-year climate normal; reanalysis smooths local extremes and tends to count more light-rain days than a rain gauge would. Daylight is sunrise to sunset on the 15th of each month.
Weather questions for Calgary
What is the hottest month in Calgary?
July, with average highs of 25 °C (76 °F) and lows of 12 °C (53 °F) over 2023–2025. The coolest month is February, averaging -2 °C (28 °F) by day and -13 °C (9 °F) at night.
What is the rainiest month in Calgary?
June, with about 107 mm of precipitation on roughly 12 days. The driest month is January (18 mm), and the yearly total is around 486 mm.
When is the weather mildest in Calgary?
Going by the averages, May–September are the months with average daytime highs between 18 °C and 27 °C (64–81 °F) — warm but not hot. June is the month most likely to bring rain.
More about Calgary
Weather in nearby cities
More for Calgary
More for Calgary: local time, sunrise and sunset, moon phases, and the exact time zone.
About this forecast
The live forecast comes from Open-Meteo, which blends models from national weather services and is fetched fresh in your browser on each visit. Times in the hourly outlook are Calgary local time (America/Edmonton).